Management measures for overwintering of autumn sowing garlic

The overwintering cultivation method of garlic can effectively improve the survival rate and harvest yield of overwintering garlic during the planting period. the number of garlic planted by this method can be increased from 1.5 ~ 18000 to 45 ~ 60 000 per mu, which meets the requirements of reasonable close planting and increases the land utilization rate, survives the winter smoothly, does not hurt the seedlings, the seedling rate is more than 98%, and the yield is increased by 40% and 50%. The content of trace elements is no different from that of garlic grown by conventional methods. Planting garlic with overwintering cultivation method is simple and easy to operate, and the production cost is low, and when selecting garlic species, the sandwich clove garlic can be used to produce garlic yellow, which can further improve the economic benefit of planting and the added value of agricultural products, which has good popularizing value. At the same time, under the premise of pouring enough frozen water, laying warm fertilizer, that is, cow dung covering 4cm, plus plastic film covering to heat preservation soil, filling frozen cracks, has achieved the purpose of heat preservation and soil moisture conservation. In order to enable garlic to be put on the market ahead of the Spring Festival, a cold shed can be added to the planted garlic 7-10 days after the soil is frozen, so as to make the garlic mature early and improve the economic benefits of planting. The specific management methods are as follows:

The garlic bolts were watered every 7 days during the production period, and the water was stopped 4 days before harvest.

During the garlic expansion period, 2kg of nitrogen fertilizer and 2kg of potash fertilizer per mu were added within 5 days after harvest, and the water was watered every 5 to 6 days, and the water was stopped 5 to 7 days before harvest.

After finishing the seedlings, the garlic seedlings were managed to grow three leaves and then irrigate the seedlings once, and ploughed and weeded once, and the soil was watered over the winter before freezing. The temperature and fertilizer per mu was 9 cubic meters, with an average thickness of 5 cm. The garlic seedlings were compacted with plastic film and filled with frost cracks. The purpose of heat preservation and moisture conservation has been achieved.

Garlic flower bud phosphorus bud differentiation period in the Beginning of Spring weather is getting warmer, uncover the film, pour back green water once, topdressing nitrogen fertilizer 3kg / mu.